Le 13/10/2021 à 09:00, Kees Cook a écrit :

On Mon, Oct 11, 2021 at 05:25:31PM +0200, Christophe Leroy wrote:

quoted

Use HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR instead of 'dereference_function_descriptor'
to know whether arch has function descriptors.

Signed-off-by: Christophe Leroy <redacted>

I'd mention the intentionally-empty #if/#else in the commit log, as I,
like Helge, mentally tripped over it in the review. :)

Reviewed-by: Kees Cook <redacted>

Ok, I did it in v2.

I also renamed it HAVE_FUNCTION_DESCRIPTORS because behind the fact that 
it has some functions to dereference function descriptor, the main fact 
is that they have and use function descriptors.

Christophe